2654664261 has 8 divisors (see below), whose sum is σ = 3653731584. Its totient is φ = 1712686560.

The previous prime is 2654664253. The next prime is 2654664283. The reversal of 2654664261 is 1624664562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2654664261 - 2³ = 2654664253 is a prime.

It is a super-2 number, since 2×2654664261² = 14094484677261352242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654664251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14272296 + ... + 14272481.

It is an arithmetic number, because the mean of its divisors is an integer number (456716448).

Almost surely, 2^2654664261 is an apocalyptic number.

It is an amenable number.

2654664261 is a deficient number, since it is larger than the sum of its proper divisors (999067323).

2654664261 is a wasteful number, since it uses less digits than its factorization.

2654664261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28544811.

The product of its digits is 414720, while the sum is 42.

The square root of 2654664261 is about 51523.4340955647. The cubic root of 2654664261 is about 1384.6389186738.

The spelling of 2654664261 in words is "two billion, six hundred fifty-four million, six hundred sixty-four thousand, two hundred sixty-one".